check suggest.Content != ""

COL.014 modify the judgment about the character set;COL.012/COL.015 add the judgment about the json type;ALT.001 modify the judgment about the ;fix func ShowCreateTable's error when table is partition;

  WHEN InvisibleUnicode IN SQL give suggestion
  update test cases golden file

  COL.014 support NVARCHAR
  COL.013 support zero time

  https://github.com/XiaoMi/soar/issues/98

  sleep(), benchmark(), get_lock, release_lock() are
  dangerous function may not be used in online.

  RuleTimePrecision
  MySQL 5.6.4+ New time data type, support time precision to microsecond

  不建议使用连续判断
  SELECT * FROM tbl WHERE col = col = 'abc'

  support allow-collates checks

  COL.015 text/blob default value only tobe `NULL`;
  COL.012 text/blob `NOT NULL` CONSTRAINT may be danagerous;

  FULLTEXT INDEX suggestion

  insert values count large than -max-value-count will give ARG.012

  1. Makefile add `daily-quick` let test more fast
  2. Heuristic rule word lint
  3. FUN.001 add more logic, unstable now